?url_ver=Z39.88-2004&rft_id=10.1080%2F00986445.2019.1655403&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Chala&rft.au=Chala%2C+G.T.&rft.aufirst=G.T.&rft.date=2020&rft.title=Chemical+Engineering+Communications&rft.pages=1403-1414&rft.atitle=Temporal+variation+of+voids+in+waxy+crude+oil+gel+in+the+presence+of+temperature+gradient&rft.volume=207&rft.issn=00986445&rft.issue=10&rft.genre=article